package me.zbl.common.aspect;

import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.*;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import javax.servlet.http.HttpServletRequest;
import java.util.Arrays;

@Aspect
@Component
public class WebLogAspect {

  private static final Logger logger = LoggerFactory.getLogger(WebLogAspect.class);

  @Pointcut("execution( * me.zbl..controller.*.*(..))")//两个..代表所有子目录，最后括号里的两个..代表所有参数
  public void logPointCut() {
  }


  @Before("logPointCut()")
  public void doBefore(JoinPoint joinPoint) {
    // 接收到请求，记录请求内容
    ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
    HttpServletRequest request = attributes.getRequest();

    // 记录下请求内容
    logger.info("请求地址 : " + request.getRequestURL().toString());
    logger.info("HTTP METHOD : " + request.getMethod());
    // 获取真实的ip地址
    //logger.info("IP : " + IPAddressUtil.getClientIpAddress(request));
    logger.info("CLASS_METHOD : " + joinPoint.getSignature().getDeclaringTypeName() + "."
            + joinPoint.getSignature().getName());
    logger.info("参数 : " + Arrays.toString(joinPoint.getArgs()));
    //        loggger.info("参数 : " + joinPoint.getArgs());

  }

  @AfterReturning(returning = "ret", pointcut = "logPointCut()")// returning的值和doAfterReturning的参数名一致
  public void doAfterReturning(Object ret) {
    // 处理完请求，返回内容(返回值太复杂时，打印的是物理存储空间的地址)
    logger.debug("返回值 : " + ret);
  }

  @Around("logPointCut()")
  public Object doAround(ProceedingJoinPoint pjp) throws Throwable {
    long startTime = System.currentTimeMillis();
    Object ob = pjp.proceed();// ob 为方法的返回值
    logger.info("耗时 : " + (System.currentTimeMillis() - startTime));
    return ob;
  }
}
